EMC Rails and Enclosures (CX4 Series Storage Systems) Field Installation Guide
9
Installing a 1U SPS tray and SPS units in a cabinet
4. At the back of the cabinet, insert and tighten two M5 x16-mm 
securing screws in the holes above and below the alignment pin, 
as shown in Figure 5. 
Figure 5 Installing the 1U SPS adjustable rails
5. Repeat steps 2 through 4 for the other rail assembly.
Installing the SPS tray in the cabinet
This section describes how to install the tray in the rackmount 
cabinet.
1. From the front of the cabinet, align the SPS tray with the channels 
on the mounting rails. Position the tray as shown in Figure 6.
2. Slide the tray onto the mounting rails in the cabinet, until the 
flanges of the tray are flush with the cabinet channels. See 
Figure 6.
EMC3253
Adjustable rail
Alignment pin
Alignment pin
Front
Left front
Screw (2)
Mounting rail
Right rear
Screw (2)
Mounting rail
Alignment pin